Involved in growth, nervous system function, and hormonal, fat and vitamin metabolism. Symptoms of deficiency include cartilage problems, low Fertility and birth defects, growth retardation.

Fresh vegetables, nuts, spices, wholegrains, tea

Supplements Available
Tablets prepared in conjunction with amino acids and other substances to help absorption.

Infants and children 16 mcg
Adults 1.4 mg

Side Effects
Irritability, tremor, muscle rigidity

Important Notes
Dosages advised are deliberately on the safe side and may not be high enough to give benefit, but it is recommended that higher dosages should only be taken under the care of a practitioner experienced in nutritional medicine.

Side Effects refer to effects of much larger doses on the whole than those recommended here.

* for explanation, please see Introduction to Nutritional Supplements

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